package com.googlecode.maninman.framework.servlet;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class DispatcherFilter implements Filter{

	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void doFilter(ServletRequest req, ServletResponse resp,
			FilterChain chain) throws IOException, ServletException {
		HttpServletRequest request = (HttpServletRequest)req;
		HttpServletResponse response = (HttpServletResponse) resp;
		HttpServletRequest wrapperedReq = new WrapperedRequest(request);
		if (!wrapperedReq.isRequestedSessionIdFromCookie() && !wrapperedReq.isRequestedSessionIdFromURL()) {
			Cookie cookie = new Cookie(Definitions.SESSIONID, wrapperedReq.getRequestedSessionId());
			response.addCookie(cookie);
		}
		chain.doFilter(request, response);
		
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub
		
	}

}
